It is possible some were being activated implicitly.

This ensures that all callers of changed code are also checked.

As dollar symbols ($) are apparently a big problem in the values of CI
pipeline variables passed through triggers, BUILD_ARGS has a new syntax
that avoids them.

This should not impact any pipelines except one, which is being changed
in parallel with this change.

This allows pipelines to explicitly request only native builds (faster)
if the pipeline is checking that builds can succeed.

Pipeline templates

See merge request !4

The rule doesn't adequately cover different uses of arithmetic
expressions, there are many cases where non-spaced expressions can be
more readable.

Support tag pushes in pre_commit_run

Closes #1

See merge request !3

Packaging Improvements

See merge request !2

Improvements to the CI pipeline

See merge request !1